bao File

BAO, f_sigma8 and other measurements at single redshifts, with correlations

AL/JH Oct 2012: encorporate DR9 data into something close to new cosmomc format
Dec 2013: merged in DR11 patch (Antonio J. Cuesta, for the BOSS collaboration)
Sept 2014: refactored structure using new "bao_dataset[NAME] = file.dataset" syntax
added refactoed DR7 MGS code (thanks Lado Samushia)
Jan 2014 added bao_HZ_rs, f_sigma8, F_AP, and more general .dat format